CN102658762A - Pneumatic vehicle tire with reinforced tread - Google Patents
Pneumatic vehicle tire with reinforced tread Download PDFInfo
- Publication number
- CN102658762A CN102658762A CN2012101543877A CN201210154387A CN102658762A CN 102658762 A CN102658762 A CN 102658762A CN 2012101543877 A CN2012101543877 A CN 2012101543877A CN 201210154387 A CN201210154387 A CN 201210154387A CN 102658762 A CN102658762 A CN 102658762A
- Authority
- CN
- China
- Prior art keywords
- bead
- tyre
- upholder
- bead core
- tyre bead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims abstract description 448
- 239000000945 filler Substances 0.000 claims abstract description 77
- 230000002787 reinforcement Effects 0.000 claims description 115
- 230000002708 enhancing effect Effects 0.000 claims description 51
- 230000011218 segmentation Effects 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000004753 textile Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000005987 sulfurization reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000012779 reinforcing material Substances 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 4
- 230000004323 axial length Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000005728 strengthening Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
- B60C15/0607—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex comprising several parts, e.g. made of different rubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C2015/0617—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a cushion rubber other than the chafer or clinch rubber
- B60C2015/0621—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a cushion rubber other than the chafer or clinch rubber adjacent to the carcass turnup portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C2015/0639—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer between carcass main portion and bead filler not wrapped around the bead core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C15/0653—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer
- B60C2015/0657—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer comprising cords at an angle of maximal 10 degrees to the circumferential direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/06—Tyres specially adapted for particular applications for heavy duty vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
A vehicle tire contains a tread part, a bead region which is radially formed inside the tread part and having a bead core (6), a bead filler (7) formed radially outside the bead core, and a bead reinforcing layer (10) extending over a periphery of the vehicle tire and containing at least one resistance carrier (11) spirally wound radially outwardly from the inside towards the periphery. A further bead reinforcing strip (16) is formed radially inside the bead core (6), the further bead reinforcing strip (16) extending axially over the entire axial length of the bead core (6) and being radially outwardly folded back towards the two axial outer sides of the bead core (6). The further bead reinforcing strip having a first folded-back section extending up to a radial extension height HF1 from a vertex of the wheel rim and a second folded-back section up to a radial extension height HF2 from the vertex X of the wheel rim.
Description
Technical field
The present invention relates to a kind of vehicle tyre; Especially a kind of Pneumatic vehicle tire, Pneumatic vehicle tire has tread-rubber, has the bead region that is formed on the tread-rubber radially inner side; Bead region has: bead core is used for vehicle tyre is fixed to the corresponding wheel rim bead seat that forms; The tyre bead filler especially has the tyre bead filler that forms at the bead core radial outside; The tyre bead reinforcement plies is formed in the installing zone, and the tyre bead reinforcement plies extends on the whole circumference of vehicle tyre, and is formed by at least one enhancing upholder, strengthens upholder and is arranged as along circumferentially twining, and radial arrangement is spiral way formation from inside to outside.
Background technology
For example, according to EP1174289A2 and known this type of vehicle tyre of EP1129870B1.Although the tire production method of above-mentioned prior art makes tire have following advantage, that is, can make full use of with respect near in the vehicle tyre wheel rim bead seat zone in a circumferential direction the height tensile strength; Take this to realize firm installation; But, produce this type of vehicle tyre and have difficulties, in the finished product of tire with tyre bead enhancing carcass plies; Tyre bead strengthens carcass plies along carcass coiling bead core and tyre bead filler; And have at least one enhancing upholder, strengthen upholder and be arranged to, spiral way formation from inside to outside diametrically along circumferentially twining.Spiral twines must process the tyre bead reinforcement plies in the green state (green state) of spiral structure; The tyre bead reinforcement plies is processed in the flat winding that perhaps must on the cylinder that makes up, carry out with the flat structure of routine (buildup), also must in green compact tire forming process subsequently, resist the tension force of enhancing upholder then and is raised.In above-mentioned two kinds of situation, the danger that has bead core/tyre bead filler to separate on the one hand, the danger that has the tyre bead reinforce to separate on the other hand with casingply (carecass) with the tyre bead reinforce.Tension force and the contraction that is caused also apply load on the material around, so that also possibly occur the situation of undesirable shear action and possible damage between bead core and the tyre bead reinforce etc.Therefore, because of the green compact damaged tyres due to the sulfuration further improved requirement is arranged for avoiding damaging or preventing.In addition, under all loading conditions, the enhancing upholder that the tyre bead reinforcement plies circumferentially twines is among the manufacturing and the elastomeric material of run duration with high tension incision bead core of vehicle tyre.Be the danger of minimizing damage, and guarantee identification and pick out possibility immobilized vehicle tire, also need a lot of overworks.If under these loads, want to separate the parts that merged, before sulfuration or after all be unlikely, thereby also can bring very big burden.
Summary of the invention
Therefore; The objective of the invention is to,, a kind of especially a kind of Pneumatic vehicle tire of vehicle tyre with tread-rubber is provided through simple means and with great reliability; Vehicle tyre of the present invention has the bead region that forms at the tread-rubber radially inner side; Bead region has bead core, and bead core is used for vehicle tyre is fixed to the wheel rim bead seat of corresponding formation, has the tyre bead filler that forms at the bead core radial outside especially; The tyre bead reinforcement plies is formed in the installing zone, and the tyre bead reinforcement plies is in the whole circumferential extension of vehicle tyre, and strengthens upholder by at least one and forms, strengthens upholder and is arranged to along circumferentially twining, spiral way formation from inside to outside diametrically.
The objective of the invention is that especially a kind of Pneumatic vehicle tire of a kind of vehicle tyre with tread-rubber realizes through forming, vehicle tyre of the present invention has: tread-rubber; Be formed on the bead region of tread-rubber radially inner side; Bead core is used for vehicle tyre is fixed to the wheel rim bead seat of corresponding formation, has the tyre bead filler that is formed on the bead core radial outside especially; And the tyre bead reinforcement plies is formed in the installing zone; The tyre bead reinforcement plies extends on the whole circumference of vehicle tyre and strengthens upholder by at least one and forms, and strengthens upholder and is arranged to circumferential winding, and from inside to outside spiral way forms diametrically; Characteristic according to claim 1; Wherein radially form at least one additional tyre bead in the bead core inboard and strengthen band, it is extended on the whole circumference of vehicle tyre, additional tyre bead is strengthened band and is extended axially in the whole axial range upper edge of bead core; And two of bead core axially the outside radially outward turn back respectively, first part of turning back extends to the X radial extension H apart from the wheel rim summit
F1Height, second part of turning back then extends to the X radial extension H apart from the wheel rim summit
F2Height.
Tyre bead is strengthened band and can be protected bead core and casingply to avoid acting on the undesirable higher load between casingply and the bead core, and this load possibly caused by the drawing stress of tyre bead reinforcement plies and casingply.Consequently, the caused adverse consequences of excessive tensile stress that the enhancing upholder of protecting bead region to avoid the tyre bead reinforcement plies better applies.At the manufacturing and the run duration of vehicle tyre, can reduce the danger of the damage that causes by high capacity due to the drawing stress (tensile stresses) in this way.
For according to the formed tire of the characteristic of claim 2, particularly advantageously be X radial extension H apart from the wheel rim summit
F1Height and apart from the wheel rim summit X radial extension H
F2Height, all be formed on the radial outside of the radially outer scope of bead core apart from the above-mentioned radial distance of wheel rim summit X.This makes complete, reliable protection effect can just in time put on the critical transitional region between lower tire side wall and the bead core.
For according to the formed tire of the characteristic of claim 3, particularly advantageously be that first part of turning back forms and axially goes up and tyre bead reinforcement plies adjacency.The effect that is obtained is, tyre bead is strengthened band and will be absorbed reliably in the bead region of adjacency from the undesirable load due to the high tension of the enhancing upholder of tyre bead reinforcement plies, and further reduces the danger that causes damage.Through according to the formed tire of the characteristic of claim 4, wherein first part of turning back forms and tyre bead reinforcement plies direct contact, can confirm also to guarantee reliably this point especially.
According to the formed tire of the characteristic of claim 5 is particularly advantageous, and first part of turning back forms at least the footpath and upwards is in direct contact with bead core in that bead core is inboard.This can make bead core obtain special reliable protection, and the power of guaranteeing to introduce bead core simultaneously is more even.
The tire spy who forms according to the characteristic of claim 6 is particularly advantageous.First turns back partly to form with bead core and tyre bead filler all is in direct contact.This makes bead core and tyre bead filler can obtain special reliable protection, guarantees to make the power of introducing bead core more even simultaneously.
The tire that forms according to the characteristic of claim 7 is particularly advantageous, and second part of turning back forms with bead core and tyre bead filler and all is in the formation direct contact.This makes the special reliable protection of bead core and tyre bead filler all become possibility, guarantees to make the power of introducing in this core more even simultaneously.
The tire that characteristic according to Claim 8 forms is particularly advantageous, and first turns back partly is arranged in the axial inboard of bead core in vehicle tyre.This makes and might in this bead region, obtain necessarily separating of casingply and bead core in a simple manner, and make between casingply and the bead core and the power between tyre bead reinforcement plies and bead core more even.The bottom bead region can be strengthened in a simple manner, changes caused power to reduce by tyre deflection (deflection) and the kinematics in this bead region.
The tire that forms according to the characteristic of claim 9 is particularly advantageous, and first part of turning back is formed between tyre bead reinforcement plies and the bead core.The bottom bead region can be strengthened in this way especially easily and reliably, with reduce by squeegee action or skew and in this bead region kinematics change caused power.Between casingply and tyre bead reinforcement plies, between casingply and the bead core and the power in the bottom bead region between tyre bead reinforcement plies and the bead core can be directly or become more even indirectly.
The tire that forms according to the characteristic of claim 10 is particularly advantageous, and the tyre bead reinforcement plies is formed on first and turns back between part and the bead core.The bottom bead region is can be in this way simple especially and strengthened reliably, with reduce by tyre deflection and in this bead region kinematics change the power that causes.Between casingply and tyre bead reinforcement plies, between casingply and the bead core and these power in the bottom bead region between tyre bead reinforcement plies and the bead core can become more even directly or indirectly.
The tire that forms according to the characteristic of claim 11 is particularly advantageous, and the tyre bead reinforcement plies is formed on first and strengthens first of the band part and second of turning back and strengthen first of band and turn back between the part.Consequently, the effect at the enhancing upholder of tyre bead reinforcement plies is reduced further.In addition, casingply is separated with the tyre bead reinforcement plies is permanent.Two strap stiffeners are taking up the effect of similar over cap, between reinforcement plies and casingply and bead core (possibly also have the tyre bead filler), provide reliable protection property to separate.Consequently, make the parts " disengaging " that upward stop the enhancing upholder perhaps to strengthen upholder to greatest extent strengthen carcass plies and become possibility.
The tire that forms according to the characteristic of claim 12 is particularly advantageous, additional tyre bead strengthen band by the enhancing upholder in the rubber that embeds unvulcanized or sulfuration particularly the fabric carcass plies that strengthens upholder form.This makes tyre bead strengthen band can have less thickness, thereby but is convenient to make and cost-cutting.
The tire that forms according to the characteristic of claim 13 is particularly advantageous, strengthens upholder and forms relative tire and circumferentially extend with 35 ° to 55 ° helical angles.This is the permanent separation property for the parts that in the whole service life of tire, obtain, and makes that permanently the power of introducing tire from the zone that tire contacts with ground is more even.
The tire that forms according to the characteristic of claim 14 is particularly advantageous; The tyre bead reinforcement plies is formed with at least one and strengthens upholder; Strengthening upholder is arranged in circumferential winding; From inside to outside spiral way forms diametrically, and strengthening upholder is circumferentially to have the enhancing upholder of segmentation form.
The tire that forms according to the characteristic of claim 15 is particularly advantageous; The tyre bead reinforcement plies is formed with at least one and strengthens upholder; Strengthening upholder is arranged in circumferential winding; From inside to outside spiral way forms diametrically, along the circumferential uninterrupted continuously enhancing upholder that forms be wrapped in the reinforcing material scope first, in the inner radial zone, the enhancing upholder that becomes the segmentation form in the circumference then be wrapped in the reinforcing material scope second, in the radially outer zone.This allows to be easy to improve to make, and makes the cord spacing in the radially outer zone of reinforcing material become more even, to guarantee to obtain the certainty of high quality standards.
The tire that forms according to the characteristic of claim 16 is particularly advantageous, and the enhancing upholder of tyre bead reinforcement plies is that metal strengthens upholder.This makes and bears extra high tension force and make it more evenly to become possibility.
The tire that forms according to the characteristic of claim 17 is particularly advantageous; At least one casingply casingply of radial-type structure particularly wherein; Enhancing upholder by being arranged in parallel forms; It embeds elastomeric material and coiling bead core unvulcanized or sulfuration, and tyre bead is strengthened band and also is arranged between casingply and the bead core.Tyre bead makes bead core separate with casingply with strengthening the band protectiveness, is being in the running state lower whorl position of foetus under the bead core of the location on the wheel rim, also is provided with tyre bead and strengthens band.
The tire that forms according to the characteristic of claim 18 is particularly advantageous; Casingply to be extending radially inwardly in the lower tire side wall of its main portion between the radially inner side of tire shoulder and bead core, thereby is formed at bead core particularly in the radial zone scope of tyre bead filler, along bead core axial inboard extension of tyre bead filler particularly; And; Casingply is formed with its part of turning back, and the part of turning back particularly forms in the axial outside of tyre bead filler along bead core, thereby extends radially outwardly.
The tire that forms according to the characteristic of claim 19 is particularly advantageous, and the part of turning back of casingply is ending on the surface of tyre bead filler greater than zero distance apart from the main portion of casingply.This allows the durability of tire to be further improved.
The tire that forms according to the characteristic of claim 20 is particularly advantageous, and the enhancing upholder of casingply is the textile raw material of monofilament or multifibres, or metallic material steel particularly.This allows to satisfy through the drawing stress/extended characteristic that strengthens upholder the specific (special) requirements of various tires.
Description of drawings
Below in Fig. 1 to Figure 21, illustrate in greater detail the present invention on the basis of graphic exemplary, in the accompanying drawings:
Fig. 1 is at the section drawing of the Pneumatic vehicle tire that comprises the commercial vehicle that is used for 15 degree tapered bead seat rims shown in the cross section of tire axle;
Fig. 2 illustrates the amplification sectional view according to the inner radial sidewall areas of the Pneumatic vehicle tire of Fig. 1, and mounting of tyre is under the unloaded serviceability on 15 degree wheel rim tapered bead seat rims;
Fig. 3 is equally in the optional form of the inner radial sidewall areas of the Pneumatic vehicle tire that has two parts tyre bead filler shown in the section drawing;
Fig. 4 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 2 shown in the section drawing;
Fig. 5 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 3 shown in the section drawing;
Fig. 6 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 2 shown in the section drawing;
Fig. 7 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 3 shown in the section drawing;
Fig. 8 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 2 shown in the section drawing;
Fig. 9 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 3 shown in the section drawing;
Figure 10 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 8 shown in the section drawing;
Figure 11 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 9 shown in the section drawing;
Figure 12 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 9 shown in the section drawing;
Figure 13 is equally in the optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 2 shown in the section drawing;
Figure 14 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 13 shown in the section drawing;
Figure 15 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 14 shown in the section drawing;
Figure 16 is at the section drawing of the Pneumatic vehicle tire that comprises the commercial vehicle that is used for 5 degree wheel rim tapered bead seat rims shown in the cross section of tire axle;
Figure 17 wheel rim illustrates the amplification sectional view according to the inner radial sidewall areas of the Pneumatic vehicle tire of Figure 16; Exemplary according to the Pneumatic vehicle tire on 15 degree tapered bead seat rims shown in Figure 2 is analogized, and this mounting of tyre is under the unloaded serviceability on 5 degree wheel rim tapered bead seat rims;
Figure 18 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 17 shown in the section drawing;
Figure 19 is equally in another optional form of the inner radial sidewall areas of Pneumatic vehicle tire shown in Figure 17 shown in the section drawing;
Figure 20 a wheel rim is used for airtyred section drawing commercial vehicle/comm..vehicle, that have bottom land formula wheel rim comprising shown in the cross section of tire axle, analogize according to the exemplary of the Pneumatic vehicle tire on 15 degree tapered bead seat rims shown in Figure 2;
Figure 20 b illustrate one can be prefabricated the bead core parts, be used to make Pneumatic vehicle tire according to Figure 20 a,
Figure 21 a through with the exemplary analogy of the Pneumatic vehicle tire on 15 degree wheel rim tapered bead seat rims shown in Figure 2, comprise be used for shown in the cross section of tire axle motor bike or trail bike, have rim gutter at the bottom of the airtyred section drawing of formula wheel rim; And
Figure 21 b show can be prefabricated the bead core parts, be used to make Pneumatic vehicle tire according to Figure 21 a.
The specific embodiment
Fig. 1 and 2 illustrates and is installed in the air-inflation tyre that is in the commercial vehicle under the no-load run state on the corresponding rim.For the purpose of simplifying, not shown corresponding wheel rim among Fig. 2.
Fig. 1 schematically shows the air-inflation tyre of commercial vehicle with the cross section; Bead region also illustrates 15 degree wheel rim tapered bead seat rims (tapered bead seat rim); It has with an axle A and becomes 15 ° of bevelled rim shoulders or bead seat, and have wheel rim groove (well base?).Also show the more airtyred parts of following commercial vehicle: the bead core 6 on tread-rubber 2, casingply 3, multilayer buffer strip 8, internal layer 4 (being depicted as specifically is double-ply internal layer 4), two sidewalls 5 and each sidewall, tyre bead filler (being also referred to as the apex strip band) 7, tyre bead band 9 and the additional rubber profile 15 that between sidewall 5 and tyre bead filler 7, forms as outside tyre bead section bar.Casingply 3 is particularly including as the steel cord that strengthens upholder, and they and tire circumferentially meet at right angles or roughly meet at right angles and extend and therefore in the radially R of tire layout.Bead core 6 comprises the steel cord; Radial arrangement outside bead core 6 and on it tyre bead filler 7 of position constitute by rubber composition with high elastic modulus; For example; As shown in Figure 3, tyre bead filler 7 can also be embodied as many parts form, and therefore is made up of the rubber composition with different modulus of elasticity.
As shown in Figure 2; Casingply 3 radially inwardly passes sidewall 5 with its main portion 3a from buffer strip 8, along axial inboard extension of tyre bead filler 7 and bead core 6, casingply 3 is centered on axially outwards guiding of bead core 6; On the radially inner side of bead core 6, to form centre portion 3c; And, make it center on bead core 6 and radially outward reel, and on bead core 6 and axial outside tyre bead filler 7, extend to X radial distance H apart from the wheel rim summit with its part 3b that turns back
U, the part of turning back 3b and tyre bead filler 7 are in direct contact.
In the axial inboard of tyre bead filler 7, between the main portion 3a of tyre bead filler 7 and casingply 3, form tyre bead reinforcement plies 10.In the case, tyre bead reinforcement plies 10 is from the X radial distance H apart from the wheel rim summit
IThe inner radial position at place extends to the X radial distance H apart from the wheel rim summit
AThe radially outer position at place.Tyre bead reinforcement plies 10 is formed by continuous enhancing upholder 11, makes to strengthen upholder 11 along circumferentially on whole tire, extending, and, will strengthen upholder 11 and imbed in the rubber composition, and upwards winding in a spiral manner, with from starting from radial height H
IRadially inner side extend out to diametrically and be positioned at radial height H
ARadial outside.In the case, tyre bead reinforcement plies 10 is in direct contact along it in radially the scope and the main portion 3a of casingply 3.
Size H
IBe suitable for following condition: H
KB≤H
I≤H
KR, H wherein
KBExpression is apart from the radial distance of wheel rim summit X, and bead core 6 is axially measured along Pneumatic vehicle tire and had its maximum width B here
KMax, and, H
KRBe the radial distance apart from wheel rim summit X, its maximum radial distance with radially outer lateral surfaces zone X apart from the wheel rim summit of wheel rim bead core 6 is corresponding.
Has in the exemplary of commercial vehicle Pneumatic vehicle tire of 15 degree bead seats H at representative type
UBe chosen as and equal 35mm, and H
KRThen be chosen as at 9.0mm≤H
KRIn the scope of≤28.0mm.
The radial distance H of the X apart from the wheel rim summit has been shown in Fig. 1 in addition,
GB, the commercial vehicle the wideest airtyred point that it is formed under the running state to be installed.
Draw the vertical line L of the main portion 3a of casingply 3 among Fig. 2, shown in the cross section, at the radial distance H of the X apart from the wheel rim summit
UThe place makes vertical line L reach the end of carcass plies of the part 3b that turns back of casingply 3.Vertical line L to the intersection point (sufficient point) of the main portion 3a of casingply at X radial distance H apart from the wheel rim summit
LFThe place.Tyre bead reinforcement plies 10 extends radially outwardly to the X radial distance H apart from the wheel rim summit
A, H wherein
ABe suitable for following condition: (0.65H
LF)≤H
A≤(1.5H
LF).
The outside section bar 15 of tyre bead (bead outer profile 15) is from being positioned at apart from the wheel rim summit X radial distance less than distance H
URadial position place, extend to and be positioned at apart from the wheel rim summit X radial distance greater than distance H
ARadial position place.
Shown in Fig. 1 and Fig. 2; Radially form at least one additional tyre bead in bead core 6 inboards and strengthen band 12, tyre bead is strengthened band 12 and is made on the vehicle tyre whole circumference and extends, the whole axial range of bead core 6 axially on extend; And; In two of the bead core 6 axial outsides, under each situation, make tyre bead strengthen band 12 bead core 6 of radially outward reeling, make first part of turning back extend to X radial extension H apart from the wheel rim summit
F1Height, and make second part of turning back extend to X radial extension H apart from the wheel rim summit
F2Height.In the case, tyre bead is strengthened band 12 and is formed: in the inner radial zone of tyre bead enhancing carcass plies 10, from the X radial extension H apart from the wheel rim summit
F1Height, strengthen first of band 12 part of turning back with tyre bead and between tyre bead reinforcement plies 10 and tyre bead filler 7, extend, all be in direct contact with tyre bead filler 7 and tyre bead reinforcement plies 10; Be formed on the radially inner side of bead core 6, place, be in direct contact with bead core 6 thereby it is close to around bead core 6; And, be formed on the axial outside of bead core 6, thereby, extend radially outwardly to X radial extension H apart from the wheel rim summit the turning back between part 3b and the tyre bead filler 7 of casingply 3
F2Height, all be in direct contact with turn back part 3b and the tyre bead filler 7 of casingply.Tyre bead reinforcement band 12 is formed by the fabric enhancing upholder 13 of known type, and for example one or more layers textile cord by parallel layout forms, and comprises monofilament or multifibres in the rubber that embeds unvulcanized rubber or sulfuration.For example, these fabrics enhancing upholders are formed by the multifibres cord of polyamide, polyester or the polyolefinic structure 940 * 2 of known type.In the case, strengthening upholder 13 forms relative tire and circumferentially extends with 35 ° to 55 ° helical angle.
In optional embodiment; Tyre bead is strengthened band 12 and is formed by the woven fabric material of the textile material cord 13 (textile cords) of the rubber that is coated with unvulcanized or sulfuration, and for example a kind of doup end fabric by flax spinning, bias fabric or the diamond fabric (atlas weave) of known type forms.
First turn back the part [] apart from the wheel rim summit X radial extension H
F1Height and second turn back part apart from the wheel rim summit X radial extension H
F2Height be suitable for following condition: H
F1>H
I, H
F1<h
AAnd H
F2<h
UFor example, H
F2Form (10.0mm)≤H
F2≤(30.0mm).
In exemplary, H
F1With H
IBetween poor Δ H
1, on behalf of bead plies 10 and tyre bead, it strengthen the crossover size of band 12, is chosen as and makes Δ H
1=(H
F1-H
I) suitable following condition: (5mm)≤Δ H
1≤(45mm).In shown exemplary, Δ H
1Be chosen as and for example equal 15mm.
In shown exemplary, in the Pneumatic vehicle tire bead core 6 axially inboard additional strengthen bands 12 apart from the wheel rim summit X radial extension H
F1Height, be chosen as greater than bead core 6 axially the outside go up additional strengthen band 12 apart from the wheel rim summit X radial extension H
F2Height.In the case, H
KR<h
F2<h
UAnd H
F2>H
IFor example, select H
F1>=H
F2
Fig. 3 illustrates the optional form of the commercial vehicle Pneumatic vehicle tire that forms by this way, and it is applicable to that 15 spend tapered bead seat rims, and tire is on 15 degree tapered bead seat rims of the correspondence formation of known type to be installed under the state of operating with zero load.This form is corresponding with embodiment shown in Figure 2, but with Fig. 2 in different being, tyre bead filler 7 forms with many parts form, comprises the rubber composition of at least two kinds of different modulus of elasticity.In the exemplary that illustrates, tyre bead filler 7 forms two parts by two kinds of rubber compositions of different modulus of elasticity.
In shown exemplary, strengthening upholder 11 is monofilament or the multifibres steel cords by the rubber covering that are twined or woven.In one embodiment, the enhancing upholder 11 of tyre bead reinforcement plies 10 is to have structure (2+6) or (3+7) or cord (3+9), and this cord is coiling or reel with spiral in one embodiment.
In shown exemplary, radial extension H
ARadially be positioned within the tyre bead filler 7 radially outer maximum ranges.
In a kind of exemplary, H
IBe chosen as for example from 10mm to 25mm.In shown exemplary, H
IBe chosen as and for example equal 15mm.
In a kind of exemplary, H
AWith H
LFBetween poor Δ H
2Be chosen as and make Δ H2=(HA-H
LF) suitable following condition: (15mm)≤Δ H
2≤(+23mm).In shown exemplary, Δ H
2Be chosen as and for example equal 7mm.
Fig. 4 illustrates a kind of embodiment; Possibility as the shown embodiment of instance among Fig. 2; And Fig. 5 shows a kind of embodiment, as the possibility of embodiment shown in the instance among Fig. 3; The embodiment of relative Fig. 2 and Fig. 3, the embodiment of Fig. 4 and Fig. 5 is just revised tyre bead reinforcement plies 10.In these exemplary, from being positioned at X radial distance H apart from the wheel rim summit
ILocate X radial distance H apart from the wheel rim summit
WThe inner radial position range of the tyre bead reinforcement plies 10 at place with the continuous reinforcement upholder 11 that reaches the inner radial area division that twines of outside spiral way from the lining that directly makes progress therein, forms tyre bead reinforcement plies 10.The X radial distance H on the wheel rim summit
WThe position, with apart from the wheel rim summit X radial distance H
AIn the radially outer area division of radially extending between the radially outer position range of the tyre bead reinforcement plies 10 at place, strengthen upholder 11 and circumferentially become uniformly-spaced segmentation form along tire.Tire circumferentially in, this produces circumferential intermittent 14 respectively between the beginning of the end of a circumferential segment and next circumferential segment.Select segmented mode like this, make circumferential intermittent 14 by the segmentation cross-over connection of the reinforcement upholder of next circle.
Fig. 6 and Fig. 7 respectively show the optional variation embodiment that is respectively embodiment shown in Fig. 4 and Fig. 5; The enhancing upholder 11 of tyre bead reinforcement plies 10 wherein has the segmentation form in the whole zone at the radial extension of tyre bead reinforcement plies 10 under each situation.
Embodiment shown in Fig. 8 is as another optional embodiment of embodiment shown in the instance among Fig. 2; And; Embodiment shown in Fig. 9 is as another optional embodiment of embodiment shown in the instance among Fig. 3; In this case, tyre bead reinforcement band 12 forms: in the inner radial zone of tyre bead reinforcement plies 10, from the X radial extension H apart from the wheel rim summit
F1Height begin, tyre bead is strengthened first of band 12 part of turning back and between the main portion 3a of tyre bead reinforcement plies 10 and casingply 3, is extended, and all is in direct contact with the main portion 3a and the tyre bead reinforcement plies 10 of casingply 3; And, radially be formed on X radial extension H apart from the wheel rim summit
IHeight within, all be in direct contact with the main portion 3a and the bead core 6 of casingply 3; Be formed on the radially inner side of bead core 6, be in direct contact thereby be close to around bead core 6 placements and with bead core 6; And, be formed on the axial outside of bead core 6, thereby extend radially outwardly to apart from the wheel rim summit X radial extension H between part 3b and the tyre bead filler 7 turning back of casingply 3
F2Height, all be in direct contact with turn back part 3b and the tyre bead filler 7 of casingply 3.
In yet another embodiment, this form also maybe with propose or described other embodiments combine, for example combine with embodiment shown in Fig. 4 or Fig. 5.
The optional variation embodiment that forms respectively as embodiment shown in Fig. 8 and Fig. 9 respectively is shown among Figure 10 and Figure 11; The enhancing upholder 11 of tyre bead reinforcement plies 10 wherein has the segmentation form in the whole zone of the radial extension of tyre bead reinforcement plies 10 in situation separately.Figure 12 illustrates a kind of like this embodiment; Through forming with the embodiment analogy that has tyre bead reinforcement plies 10 shown in Fig. 5; The enhancing upholder 11 of tyre bead reinforcement plies 10 only forms in the inner radial area division continuously, in the radially outer area division, then has the segmentation form.
Figure 13 shows another embodiment, and it is particularly suitable for heavy duty tire, and as the optional embodiment by embodiment shown in the instance among Fig. 2, tyre bead is strengthened band 12 and comprised interior carcass plies 12a and outer carcass plies 12b.First of interior carcass plies 12a turns back and partly extends to the X radial extension H ' apart from the wheel rim summit
F1Height, second part of turning back then extends to the X radial extension H apart from the wheel rim summit
F2Height.In the case, the interior carcass plies 12a of tyre bead reinforcement band 12 forms: in the inner radial zone of tyre bead reinforcement plies 10, from the X radial extension H ' apart from the wheel rim summit
F1Height begin, extend between tyre bead reinforcement plies 10 and tyre bead filler 7 with its first part of turning back, and be in direct contact with tyre bead filler 7 and tyre bead reinforcement plies 10; Be formed on the radially inner side of bead core 6, be in direct contact, place thereby it is close to around bead core 6 with bead core 6; And, be formed at the axial outside of bead core 6, thereby extend radially outwardly to apart from the wheel rim summit X radial extension H between part 3b and the tyre bead filler 7 turning back of casingply 3
F2Height, and all be in direct contact with turn back part 3b and the tyre bead filler 7 of casingply 3.The outer curtain layer of cloth 12b that tyre bead is strengthened band 12 is made for: in the inner radial zone of tyre bead reinforcement plies 10, with its first part of turning back, between the main portion 3a of tyre bead reinforcement plies 10 and casingply 3 from apart from the wheel rim summit X radial extension H "
F1Height extend, and all be in direct contact with main portion 3a and the tyre bead reinforcement plies 10 of casingply 3, and, from distance (wheel rim) summit X radial extension H
IMain portion 3a and the interior carcass plies 12a that tyre bead is strengthened band 12 of inner radial and casingply 3 of height all be in direct contact.In a kind of embodiment shown in Figure 13, outer curtain layer of cloth 12b ends at the radially inner side of bead core 6 on the inside carcass plies 12a in footpath.In another embodiment (not shown); Radially outer carcass plies 12b extends and is in direct contact with the inside carcass plies 12a in footpath; It is close to around bead core 6 places, and stretch out, for example reach X radial extension H apart from the wheel rim summit in the axial outer radial of bead core 6
F2Height, and casingply 3 turn back part 3b and footpath inwardly between the carcass plies 12a, with casingply 3 turn back part 3b and footpath inwardly carcass plies 12a all be in direct contact.
In this case, first of interior carcass plies 12a turn back part apart from the wheel rim summit X radial extension H '
F1Height, also have first of outer curtain layer of cloth 12b turn back part apart from the wheel rim summit X radial extension H "
F1Height be chosen as: 0mm≤(H '
F1-H "
F1)≤11mm.
The enhancing upholder 13a of interior carcass plies 12a and the enhancing upholder 13b of outer carcass plies 12b form with respect to tire circumferentially with 35 ° to 55 ° helical angle extension.In a kind of exemplary, the enhancing upholder 13a of interior carcass plies 12a is formed with progressive with respect to the spiral of circumferential U in the case, makes it turn to the enhancing upholder 13b switched in opposite with outer curtain layer of cloth 12b along the circumferential U of vehicle tyre.In another embodiment, the enhancing upholder 13a of interior carcass plies 12a is formed with progressive with respect to the spiral of circumferential U in the case, make its along vehicle tyre circumferential turn to identical with turning to of the enhancing upholder 13b of outer curtain layer of cloth 12b.
In addition, the above-mentioned details about size and material also is suitable at this.
Even without illustrating with further accompanying drawing; But these forms combine also can form further exemplary respectively with above embodiment that illustrated or that further describe; For example combine with two parts tyre bead filler and/or with have the tyre bead reinforcement plies 10 that local burst mode strengthens upholder 11 and combine, like the embodiment that combines to relate to Fig. 3 to Figure 12 shown and explain.
For example, shown in Figure 15 is a kind of embodiment, in the whole radial extension zone of tyre bead reinforcement plies 10, is the segmentation form under enhancing upholder 11 each situation of tyre bead reinforcement plies 10 wherein.Figure 14 illustrates a kind of like this embodiment, and wherein the enhancing upholder 11 of tyre bead reinforcement plies 10 only is to form continuously in the inner radial area division, in the scope in radially outer zone, then is the segmentation form.
Even in Fig. 1 to 15, the above exemplary that proposes is shown respectively, but also can form in the other similar embodiment of all these embodiments under the airtyred situation of commercial vehicle with 5 degree tapered bead seat rims based on commercial vehicle air-inflation tyre with 15 degree tapered bead seat rims.
Figure 16 to Figure 19 shows the air-inflation tyre of this type commercial vehicle that is used for 5 degree tapered bead seat rims respectively, and this mounting of tyre is under the unloaded serviceability on corresponding wheel rim.
Figure 16 schematically shows the airtyred cutaway view of commercial vehicle, and 5 degree tapered bead seat rims have rim shoulder or bead seat becomes the degree of dip of 5 degree with axis A, and flat bed (flat base) also is shown in bead region.At this, those among the sign of these parts and the sign of these sizes and Fig. 1 are identical.The basic structure of commercial vehicle tire is corresponding to structure of having explained among contact Fig. 1 to 15 and the relevant different exemplary that provide with it.
Replace a part of tyre bead filler shown in Figure 16 to 19, in other unshowned embodiments, used many parts tyre bead filler, for example two parts tyre bead filler.Replace the tyre bead reinforcement plies 10 that continuous winding strengthens upholder 11 that has shown in Figure 17; In embodiment shown in Figure 18,, used a kind of tyre bead reinforcement plies 10 to be similar to illustrated mode about Fig. 4; It has the enhancing upholder 11 that in the inner radial area division, twines continuously and in the radially outer area division, become to have the segmentation form of circumferential intermittent 14; And, in embodiment shown in Figure 19, to be similar to illustrated mode about Fig. 6; Used a kind of tyre bead reinforcement plies 10, it has the enhancing upholder 11 that on whole radial zone scope, is the segmentation form winding with circumferential intermittent 14.
In the exemplary of typical commercial vehicle Pneumatic vehicle tire with 5 degree bead seats, from the wheel rim summit X to the part 3b that turns back of casingply 3 extend radial distance H extremely
UThe part of turning back is chosen as big than under the commercial vehicle Pneumatic vehicle tire situation that has 15 degree bead seats.In the exemplary of typical commercial vehicle Pneumatic vehicle tire with 5 degree bead seats, H
UFor example be chosen as: 45mm≤H
U≤75mm.
As visible by the example among Figure 17, in being similar to exemplary shown in Figure 2, tyre bead reinforcement plies 10 extends radially outwardly to the X radial distance H apart from the wheel rim summit
A, H under the situation of commercial vehicle Pneumatic vehicle tire that has 5 degree bead seats wherein
ABe suitable for following condition:
(0.65H
LF)≤H
A≤(1.3H
LF)。
In the exemplary of commercial vehicle Pneumatic vehicle tire with 5 degree bead seats, H
F1With H
IBetween poor Δ H
1, on behalf of tyre bead reinforcement plies 10 and tyre bead, it strengthen the crossover size of band 12, is chosen as and makes Δ H
1=(H
F1-H
I) suitable following condition: (5mm)≤Δ H
1≤(32mm).In example shown property embodiment, Δ H
1Be chosen as and for example equal 20mm.
In the exemplary of commercial vehicle Pneumatic vehicle tire with 5 degree bead seats, H
AWith H
LFBetween poor Δ H
2Be chosen as and make Δ H
2=(H
A-H
LF) suitable following condition: (22mm)≤Δ H
2≤(+22mm).In example shown property embodiment, Δ H
2Be chosen as and for example equal 12mm.
In the exemplary of commercial vehicle Pneumatic vehicle tire with 5 degree bead seats, first turn back part apart from the wheel rim summit X radial extension H
F1Height and second turn back part apart from the wheel rim summit X radial extension H
F2Height be suitable for equally following condition: H
F1>H
I, H
F1<h
AAnd H
F2<h
UFor example, H
F2Form (10mm)≤H
F2≤(30mm).For example, H
F1Maybe be up to 55mm.
The bead core 6 of above-mentioned exemplary for example, shown in the exemplary that provides according to Fig. 2 to Figure 15, is to have the roughly bead core 6 in pentagon cross section.In another embodiment, shown in the exemplary that provides according to Fig. 1, Figure 16 to Figure 19, bead core 6 is for example to have the roughly bead core of hexagonal section, and hexagonal section for example has the local turning that flattens as shown in fig. 1.(not shown) in another optional embodiment, bead core 6 form a kind of optional section form of known type, for example for circular, avette, elliptic cross-section form or be suitable for forming other polygonal cross-section forms of bead core.
Even having form that tyre bead reinforcement plies 10 and tyre bead strengthen band 12 up to the present only combines the commercial vehicle air-inflation tyre to provide and explains; But in the situation of other Pneumatic vehicle tires; Such as Pneumatic vehicle tire that is used for car, motor bike, trail bike, grab excavator, trac. or aerocraft tire, comprise the further exemplary of this similar type equally.
This as representative, is used for the instance of the Pneumatic vehicle tire of car with the example among Figure 20 and Figure 21 shown in Figure 20 a and the 20b, and is used for the instance of the Pneumatic vehicle tire of motor bike and trail bike shown in Figure 21 a and the 21b.
Figure 20 a illustrates to be installed in and is in the car Pneumatic vehicle tire that is used for bottom land formula wheel rim under the no-load run state on the corresponding rim (not shown).Figure 20 a schematically shows the cross section of car Pneumatic vehicle tire, and rim shoulder has bead seat equally in bead region, and it becomes 5 ° of leaning angles with axle A.At this, those among these parts marks and Fig. 1 are identical.The different exemplary that the structure that the basic structure of Pneumatic vehicle tire is illustrated with combining Fig. 1 to Figure 19 and combine with them provides are corresponding.
Some parts as being used for the car Pneumatic vehicle tire illustrate: tread-rubber 2, casingply 3, the multilayer buffer strip 8 that has flanging band (belt edge bandage), internal layer 4, two sidewalls 5 and the bead core on each sidewall 6, tyre bead filler 7 and tyre bead bands 9.Casingply 3 has as the textile cord that strengthens upholder especially, and they meet at right angles or roughly meet at right angles and extend to the circumferential of tire, and therefore are among the radially R of tire.Bead core 6 comprises the steel cord; Radial arrangement outside bead core 6 and on it tyre bead filler 7 of position constitute by rubber composition with high elastic modulus; And tyre bead filler 7 can be embodied as a part of form (as shown) or many parts form (not showing), and many parts form is made up of the rubber composition with different modulus of elasticity.
Such as among Figure 20 a displaying, casingply 3 radially inwardly passes sidewall with its main portion 3a from buffer strip 8, along axial inboard extension of tyre bead filler 7 and bead core 6; Casingply 3 is axially outwards guided around bead core 6, on the radially inner side of bead core 6, to form centre portion 3c; And, make it center on bead core 6 and radially outward reel, and on the axial outside of bead core 6 and tyre bead filler 7, extend to apart from the wheel rim summit X radial distance H with its part 3b that turns back
U, the part of turning back 3b and tyre bead filler 7 are in direct contact.
In the axial inboard of tyre bead filler 7, between the main portion 3a of tyre bead filler 7 and casingply 3, form tyre bead reinforcement plies 10.In the case, bead plies 10 is from the X radial distance H apart from the wheel rim summit
IThe inner radial position at place extends to the X radial distance H apart from the wheel rim summit
AThe radially outer position at place.Tyre bead reinforcement plies 10 is formed by continuous enhancing upholder 11, makes to strengthen upholder and circumferentially extend along whole tire, will strengthen upholder 11 and be embedded in the rubber composition, and upwards winding in a spiral manner, with from radial height H
IThe inboard that the footpath at place makes progress begins extending radially outwardly to radial height H
AIn the case, tyre bead reinforcement plies 10 is in direct contact along the main portion 3a of its radial extension and casingply 3.
Shown in Figure 20 a; In this embodiment; Radially inner side at bead core 6 also is formed with at least one additional tyre bead reinforcement band 12; Tyre bead reinforcement band 12 is made for and is extending on the whole circumference of vehicle tyre, extending axially and make on its two axial outsides at bead core 6 in the whole axial range upper edge of bead core 6 and radially outward turn back respectively, and first turns back partly extends to the X radial extension H apart from the wheel rim summit
F1Height, and second part of turning back extends to the X radial extension H apart from the wheel rim summit
F2Height.Select H like this
F2And H
USize, for example make H
F1>=H
F2>H
UFor example, H
ABe chosen as and make H
A<h
F1And, in shown exemplary, also make H
A<h
F2
In the case, tyre bead is strengthened band 12 and is formed: first turn back part (finding in the radially inner side direction) from the X radial extension H apart from the wheel rim summit with it
F1Height between the main portion 3a of casingply 3 and sidewall rubber 5, extend to X radial extension H apart from the wheel rim summit
F2Height; Strengthening second of band 12 at the main portion 3a of casingply 3 and tyre bead thus turns back and further extends to the X radial extension H apart from the wheel rim summit between the part
AHeight, and strengthen second of band 12 part of turning back with the main portion 3a of casingply 3 and tyre bead and all be in direct contact; Further between carcass reinforcement ply 10 and tyre bead filler 7, extend to X radial extension H thus apart from the wheel rim summit
IHeight, and all be in direct contact with tyre bead filler 7 and tyre bead reinforcement plies 10; And, at X radial extension H apart from the wheel rim summit
IThe radially inner side of inner radial and bead core 6 of height on form, all be in direct contact with bead core 6 and casingply 3, place it is close to, and be formed on the axial outside of bead core 6 around bead core 6; And, make it extend radially outwardly to apart from the wheel rim summit X radial extension H between part 3b and the tyre bead filler 7 turning back of casingply 3
UHeight, and all be in direct contact with turn back part 3b and tyre bead filler 7; And, after this turn back and extend to X radial extension H between the part apart from the wheel rim summit at first of sidewall rubber 5 and tyre bead reinforcement band 12
F2Height, strengthen first of band 12 part of turning back with tyre bead and be in direct contact.
Figure 20 b shows a kind of parts; By bead core 6, tyre bead filler 7, have the tyre bead that strengthens upholder 13 and strengthen band 12 and have the tyre bead reinforcement plies 10 that strengthens upholder 11 making in advance, and be used in the manufacturing process of Pneumatic vehicle tire with a kind of gauge member array mode.
With the embodiment that combines to provide illustrated the same of air-inflation tyre clear and definite or that combine commercial vehicle, tyre bead is strengthened band 12 and is formed by the textile material enhancing upholder 13 of known type.
Figure 21 a illustrates and is installed in (not shown) on the cooresponding wheel rim and is in the motor bike that is used for bottom land formula wheel rim (well-base rim) under the no-load run state or the Pneumatic vehicle tire of trail bike.Figure 21 a schematically shows the cross section of the Pneumatic vehicle tire that is used for motor bike or trail bike.Here, those among the sign of these parts and Fig. 1 are identical.The structure that the basic structure of Pneumatic vehicle tire is illustrated with combining Fig. 1 to Figure 20 and corresponding with its related different exemplary that provide.Similar with some parts of the Pneumatic vehicle tire that is used for car, shown in the figure: tyre bead rubber 2, casingply 3, multilayer buffer strip 8, single carcass plies internal layer 4, two sidewalls 5 and the bead core on each sidewall 6, tyre bead filler 7 and tyre bead bands 9.Casingply 3 has as the textile material cord that strengthens upholder especially, the extension that circumferentially meets at right angles or roughly meet at right angles of they and tire, and so be among the radially R of tire.Bead core 6 comprises steel cord (cable wire) or has other suitable cords (rope) of the known type of high tensile; Radial arrangement is at bead core 6 outside and position tyre bead fillers 7 on it; Rubber composition by having high elastic modulus constitutes; And can be embodied as by a part of form (as shown) or by many parts form (not shown), then be to constitute by many parts form by rubber composition with different modulus of elasticity.
Shown in Figure 21 a; Casingply 3 radially inwardly passes sidewall with its main portion 3a from buffer strip 8, along axial inboard extension of tyre bead filler 7 and bead core 6, it is centered on axially outwards guiding of bead core 6; On the radially inner side of bead core 6, to form centre portion 3c; And, radially outwards reel around bead core 6, and on the axial outside of bead core 6 and tyre bead filler 7, extend to X radial distance H apart from the wheel rim summit with its part 3b that turns back
U, the part of turning back 3b and tyre bead filler 7 are in direct contact.
In the axial inboard of tyre bead filler 7, between the main portion 3a of tyre bead filler 7 and casingply 3, form tyre bead reinforcement plies 10.In the case, tyre bead reinforcement plies 10 is from the X radial distance H apart from the wheel rim summit
IThe inner radial position at place extends to the X radial distance H apart from the wheel rim summit
AThe radially outer position at place.Tyre bead reinforcement plies 10 is formed by continuous enhancing upholder 11, and continuous enhancing upholder is made for, and in the circumferential extension of whole tire, it is embedded in the rubber composition and upwards twines in a spiral manner, with from starting from radial height H
IThe place radially inside, extend radially outwardly to radial height H
AIn the case, tyre bead reinforcement plies 10 is in direct contact along the main portion 3a of its radial extension and casingply 3.
Shown in Figure 21 a; In this embodiment; Form at least one additional tyre bead in bead core 6 inboard also radial manner and strengthen band 12; Additional tyre bead is strengthened band 12 and is made for and is extending, extending axially and make in the whole axial range upper edge of bead core 6 it axially radially outward to turn back respectively on the outside two of bead core 6 on the whole circumference of vehicle tyre, and first part of turning back extends to the X radial extension H apart from the wheel rim summit
F1Height, and second part of turning back extends to the X radial extension H apart from the wheel rim summit
F2Height.Select H like this
F2And H
USize, for example make H
F1>=H
F2>H
UH
ABe chosen as and for example make H
A<h
F1, and, in shown exemplary, also make H
A<h
F2
In the case, tyre bead is strengthened band 12 and is formed: first turn back part (in radially inner side direction finding) from the X radial extension H apart from the wheel rim summit with it
F1Height between the main portion 3a of casingply 3 and sidewall rubber 5, extend to X radial extension H apart from the wheel rim summit
F2Height; Strengthening second of band 12 at the main portion 3a of casingply 3 and tyre bead thus turns back and further extends to the X radial extension H apart from the wheel rim summit between the part
AHeight, and strengthen second of band 12 part of turning back with the main portion 3a of casingply 3 and tyre bead and all be in direct contact; Between tyre bead reinforcement plies 10 and tyre bead filler 7, further extend to apart from the wheel rim summit X radial extension H thus
IHeight, and all be in direct contact with tyre bead filler 7 and tyre bead reinforcement plies 10; And, at X radial extension H apart from the wheel rim summit
IHeight be formed on radially inner side, and be formed on the radially inner side of bead core 6, all be in direct contact with bead core 6 and casingply 3; Place so that it is close to around bead core 6, and be formed on the axial outside of bead core 6, so that it extends radially outwardly to apart from the wheel rim summit X radial extension H turning back of casingply 3 between part 3b and the tyre bead filler 7
UHeight, and all be in direct contact with turn back part 3b and the tyre bead filler 7 of casingply 3; And, after this turn back and extend to X radial extension H between the part apart from the wheel rim summit at first of sidewall rubber 5 and tyre bead reinforcement band 12
F2Height, and strengthen first of band 12 part of turning back with tyre bead and be in direct contact.
Figure 21 b shows parts; These parts by bead core 6, tyre bead filler 7, have the tyre bead that strengthens upholder 13 and strengthen band 12, additional rubber profile 15 and have the tyre bead reinforcement plies 10 that strengthens upholder 11 processing in advance, and be used in the manufacturing process of Pneumatic vehicle tire with a kind of gauge member array mode.
With the embodiment that provides combine clear and definite or combines illustrated equally with the air-inflation tyre of commercial vehicle, tyre bead reinforcement band 12 is formed by the textile material enhancing upholder 13 of known type.
Reference numeral:
1 wheel rim
2 tread-rubber section bars
3 casingplies
The main portion of 3a casingply
The part of turning back of 3b casingply
The centre portion of 3c casingply
4 internal layers
5 sidewalls
6 bead cores
7 tyre bead fillers (apex strip band)
8 buffer strips
9 tyre bead bands
10 tyre bead reinforcement plies
11 strengthen upholder
12 tyre beads are strengthened band
The 12a tyre bead is strengthened band
The 12b tyre bead is strengthened band
13 strengthen upholder
13a strengthens upholder
13b strengthens upholder
14 circumferential intermittents
15 additional rubber profiles.
Claims (19)
1. Pneumatic vehicle tire has:
Tread-rubber;
Be formed on the bead region of said tread-rubber radially inner side, said bead region has: bead core is used for said vehicle tyre is fixed to the wheel rim bead seat of corresponding formation; Has the tyre bead filler that is formed on said bead core radial outside especially; And; Tyre bead reinforcement plies (10); Be formed in the installing zone; Said tyre bead reinforcement plies (10) extends and is formed by at least a enhancing upholder in said vehicle tyre periphery, said enhancing upholder be arranged as along said vehicle tyre circumferentially twine, spiral way formation from inside to outside diametrically
It is characterized in that: be formed with at least one additional tyre bead at said bead core (6) radially inner side and strengthen band (12); Making said additional tyre bead strengthen band (12) extends on the whole circumference of said vehicle tyre; Said additional tyre bead is strengthened band (12) and is extended axially in the whole axial range upper edge of said bead core (6); And radially outward turn back respectively with axial inboard in the axial outside at said bead core (6), wherein
Said additional tyre bead is strengthened band (12) and is comprised that first strengthens the band (12a) and the second reinforcement band (12b), and first of the said first reinforcement band (12a) is turned back and partly extended to apart from said wheel rim summit X radial extension H
F1' height, second part of turning back then extends to apart from said wheel rim summit X radial extension H
F2Height, and
Said tyre bead reinforcement plies (10) is formed with at least one second enhancing upholder (11); Said second strengthens upholder is arranged in said circumferential winding; From inside to outside spiral way forms diametrically; The said continuously circumferential and uninterrupted second enhancing upholder (11) that forms in edge is wrapped in the first inner radial zone of reinforcing material scope, and second of the said circumferential one-tenth segmentation form in edge strengthens upholder (11) and then is wrapped in the second radially outer zone of said reinforcing material scope.
2. Pneumatic vehicle tire has:
Tread-rubber;
Be formed on the bead region of said tread-rubber radially inner side, said bead region has: bead core is used for said vehicle tyre is fixed to the wheel rim bead seat of corresponding formation; Has the tyre bead filler that is formed on said bead core radial outside especially; And; Tyre bead reinforcement plies (10); Be formed in the installing zone; Said tyre bead reinforcement plies (10) extends and is formed by at least a enhancing upholder in said vehicle tyre periphery, said enhancing upholder be arranged as along said vehicle tyre circumferentially twine, spiral way formation from inside to outside diametrically
It is characterized in that: be formed with at least one additional tyre bead at said bead core (6) radially inner side and strengthen band (12); Making said additional tyre bead strengthen band (12) extends on the whole circumference of said vehicle tyre; Said additional tyre bead is strengthened band (12) and is extended axially in the whole axial range upper edge of said bead core (6); And radially outward turn back respectively with axial inboard in the axial outside at said bead core (6), wherein
Said additional tyre bead is strengthened band (12) and is comprised that first strengthens the band (12a) and the second reinforcement band (12b), and first of the said first reinforcement band (12a) is turned back and partly extended to apart from said wheel rim summit X radial extension H
F1' height, second part of turning back then extends to apart from said wheel rim summit X radial extension H
F2Height, and
First of the said first reinforcement band (12a) is turned back and partly is formed between said tyre bead reinforcement plies (10) and the said bead core (6).
3. vehicle tyre according to claim 1 and 2 is apart from said wheel rim summit X radial extension H
F1' height and apart from said wheel rim summit X radial extension H
F2Height, the radially outer scope that all radially is formed on said bead core (6) is apart from the outside of said wheel rim summit X radial distance.
4. according to the described vehicle tyre of claim 1 to 3, first of the said first reinforcement band (12a) is turned back and is partly formed in axial and said tyre bead reinforcement plies (10) adjacency.
5. vehicle tyre according to claim 4, first of the said first reinforcement band (12a) are turned back partly to form with said tyre bead reinforcement plies (10) and are in direct contact.
6. one or the described vehicle tyre of omnibus claims in requiring according to aforesaid right, first of the said first reinforcement band (12a) is turned back partly to form at least and is in direct contact at said bead core (6) radially inner side and said bead core (6).
7. one or the described vehicle tyre of omnibus claims in requiring according to aforesaid right, first of the said first reinforcement band (12a) is turned back partly to form with said bead core (6) and said tyre bead filler (7) and all is in direct contact.
8. one or the described vehicle tyre of omnibus claims in requiring according to aforesaid right, second of the said first reinforcement band (12a) is turned back partly to form with said bead core (6) and said tyre bead filler (7) and all is in direct contact.
9. one or the described vehicle tyre of omnibus claims in requiring according to aforesaid right, first of the said first reinforcement band (12a) is turned back and partly in said vehicle tyre, is arranged in the axial inboard of said bead core (6).
10. vehicle tyre according to claim 1, first of the said first reinforcement band (12a) are turned back and partly are formed between said tyre bead reinforcement plies (10) and the said bead core (6).
11. according to one in the claim 1 to 9 or the described vehicle tyre of omnibus claims, said tyre bead reinforcement plies (10) is formed on first of the said first reinforcement band (12a) and turns back between part and the said bead core (6).
12. according to or the described vehicle tyre of omnibus claims in the aforesaid right requirement, said additional tyre bead is strengthened band (12) and is formed by the carcass plies that first of the textile material in the rubber that embeds unvulcanized or sulfuration strengthens upholder (13).
13. vehicle tyre according to claim 12, the said first enhancing upholder (13) forms the circumferential U of said relatively tire and extends with 35 ° to 55 ° helical angles.
14. according to or the described vehicle tyre of omnibus claims in the aforesaid right requirement; Said tyre bead reinforcement plies (10) is formed by at least one second enhancing upholder (11); Said second strengthens upholder is arranged in said circumferential winding; From inside to outside spiral way forms diametrically, and the said second enhancing upholder (11) is the enhancing upholder (11) that circumferentially has the segmentation form said.
15. according to or the described vehicle tyre of omnibus claims in the aforesaid right requirement, it is that metal strengthens upholder (11) that second of said tyre bead reinforcement plies (10) strengthens upholder (11).
16. according to or the described vehicle tyre of omnibus claims in the aforesaid right requirement; Wherein at least one casingply (3) is the casingply (3) with radial-type structure; By in the elastomeric material that embeds unvulcanized or sulfuration and the parallel enhancing upholder of walking around said bead core (6) forms, said additional tyre bead reinforcement band (12) also is arranged between said casingply (3) and the said bead core (6).
17. vehicle tyre according to claim 16; Said casingply (3) is to extend radially inwardly in the lower tire side wall of its main portion (3a) between tire shoulder and said bead core (6) radially inner side; Thereby be formed in the radial zone scope of said bead core (6) and said tyre bead filler (7); Along said bead core (6) and said tyre bead filler (7)) axial inboard extension; And said casingply (3) is formed with its part (3b) of turning back, and the axial outer radial ground of said turn back part (3b) edge said bead core (6) and said tyre bead filler (7) stretches out.
18. according to claim 16 or 17 described vehicle tyres, the part (3b) of turning back of said casingply (3) ends on said tyre bead filler (7) surface greater than zero distance in the main portion (3a) apart from said casingply (3).
19. according to claim 16,17 or 18 described vehicle tyres, the enhancing upholder of said casingply (3) is monofilament or multifibres textile material, or the metallic material steel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006011158.3 | 2006-03-10 | ||
| DE200610011158 DE102006011158A1 (en) | 2006-03-10 | 2006-03-10 | Vehicle tires |
| CN2007800084058A CN101400525B (en) | 2006-03-10 | 2007-01-24 | Pneumatic vehicle tire with reinforced tread |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800084058A Division CN101400525B (en) | 2006-03-10 | 2007-01-24 | Pneumatic vehicle tire with reinforced tread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658762A true CN102658762A (en) | 2012-09-12 |
| CN102658762B CN102658762B (en) | 2015-10-14 |
Family
ID=37846064
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210154387.7A Active CN102658762B (en) | 2006-03-10 | 2007-01-24 | There is the Pneumatic vehicle tire of reinforced bead |
| CN2007800084058A Active CN101400525B (en) | 2006-03-10 | 2007-01-24 | Pneumatic vehicle tire with reinforced tread |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800084058A Active CN101400525B (en) | 2006-03-10 | 2007-01-24 | Pneumatic vehicle tire with reinforced tread |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080295946A1 (en) |
| EP (1) | EP1996412B1 (en) |
| CN (2) | CN102658762B (en) |
| DE (1) | DE102006011158A1 (en) |
| WO (1) | WO2007104378A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760476A (en) * | 2017-11-09 | 2019-05-17 | 东洋橡胶工业株式会社 | Heavy duty pneumatic vehicle tire |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8151849B2 (en) * | 2008-06-12 | 2012-04-10 | The Goodyear Tire & Rubber Company | Radial aircraft tire with flipper reinforcement |
| DE102009044062A1 (en) * | 2009-09-21 | 2011-03-24 | Continental Reifen Deutschland Gmbh | Pneumatic vehicle tire with a tire bead having at least one core and at least one core profile and production method |
| FR2952589B1 (en) | 2009-11-13 | 2011-11-11 | Michelin Soc Tech | TIRE BOURRELET FOR VEHICLE SMALL HEAVY WEIGHT. |
| CA2718354A1 (en) * | 2009-11-13 | 2011-05-13 | The Goodyear Tire & Rubber Company | Heavy duty tire |
| US20110114239A1 (en) * | 2009-11-13 | 2011-05-19 | Gayathri Venkataramani | Heavy duty tire |
| US20130340911A1 (en) * | 2012-06-20 | 2013-12-26 | Erich Nicolaus Lemaire | Bead core-apex subassembly, pneumatic tire therewith and method of manufacturing a bead core-apex subassembly |
| CN103419573A (en) * | 2013-08-23 | 2013-12-04 | 江苏通用科技股份有限公司 | Tire bead structure |
| CN104442208A (en) * | 2013-09-23 | 2015-03-25 | 招远市东晟橡胶制品有限公司 | Vehicle tire |
| JP6753248B2 (en) * | 2016-09-28 | 2020-09-09 | 住友ゴム工業株式会社 | Pneumatic tires |
| JP6662367B2 (en) * | 2017-12-01 | 2020-03-11 | 横浜ゴム株式会社 | Pneumatic tire |
| US20190184766A1 (en) * | 2017-12-15 | 2019-06-20 | The Goodyear Tire & Rubber Company | Pneumatic tire with a robust bead area structure |
| KR102194785B1 (en) * | 2019-04-15 | 2020-12-24 | 한국타이어앤테크놀로지 주식회사 | Pneumatic tire with reinforcement material |
| JP7117267B2 (en) * | 2019-05-14 | 2022-08-12 | 株式会社ブリヂストン | tire |
| EP4010203A1 (en) * | 2019-08-08 | 2022-06-15 | Pirelli Tyre S.p.A. | Bicycle tyre |
| WO2021024215A1 (en) * | 2019-08-08 | 2021-02-11 | Pirelli Tyre S.P.A. | Bicycles tyre |
| JP7365966B2 (en) * | 2020-05-27 | 2023-10-20 | 株式会社ブリヂストン | Pneumatic radial tire for aircraft |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7201568A (en) * | 1971-03-17 | 1972-09-19 | ||
| IT1042802B (en) * | 1975-09-24 | 1980-01-30 | Pirelli | IMPROVEMENT AT RADIAL TIRES PROVIDED WITH STRUCTURE OF TAPPIGIO IMENTO IN EIANCHI |
| JPS58112811A (en) * | 1981-12-25 | 1983-07-05 | Bridgestone Corp | Pneumatic tire |
| JPS5992204A (en) * | 1982-11-18 | 1984-05-28 | Toyo Tire & Rubber Co Ltd | Radial tire |
| US4762158A (en) * | 1985-03-15 | 1988-08-09 | Bridgestone Corporation | Reduced rolling resistance pneumatic radial tire |
| JP2886566B2 (en) * | 1989-09-01 | 1999-04-26 | 株式会社ブリヂストン | Pneumatic radial tires for construction vehicles running on rough terrain |
| US5827381A (en) * | 1990-08-10 | 1998-10-27 | Bridgestone Corporation | Pneumatic radial tires including a tire component containing groups of reinforcing elements |
| US5181975A (en) * | 1991-03-27 | 1993-01-26 | The Goodyear Tire & Rubber Company | Integrated circuit transponder with coil antenna in a pneumatic tire for use in tire identification |
| CA2109264A1 (en) * | 1992-10-30 | 1994-05-01 | Akiyoshi Tamano | Pneumatic tire |
| CN1248941A (en) * | 1997-04-03 | 2000-03-29 | 固特异轮胎和橡胶公司 | PLY path controlled by precured apex |
| US6082423A (en) * | 1997-06-09 | 2000-07-04 | The Goodyear Tire & Rubber Company | Low cost light weight radial tire |
| FR2776238B1 (en) * | 1998-03-20 | 2000-05-05 | Michelin & Cie | REINFORCED RADIAL TIRE SADDLE |
| FR2781425B1 (en) * | 1998-07-23 | 2000-09-01 | Michelin Rech Tech | REINFORCED RADIAL TIRE SADDLE |
| JP2001239813A (en) * | 2000-02-29 | 2001-09-04 | Bridgestone Corp | Pneumatic tire |
| JP2002019430A (en) * | 2000-07-05 | 2002-01-23 | Bridgestone Corp | Pneumatic tire |
| JP2002103914A (en) * | 2000-07-25 | 2002-04-09 | Bridgestone Corp | Pneumatic radial tire |
| FR2840562B1 (en) * | 2002-06-10 | 2004-07-23 | Michelin Soc Tech | TIRE BUCKLE FRAME INCLUDING DISCONTINUOUS REINFORCEMENTS |
| US7165586B2 (en) * | 2003-12-22 | 2007-01-23 | The Goodyear Tire & Rubber Company | Pneumatic tire with blended composite fiber cords |
| DE102004008308A1 (en) * | 2004-02-20 | 2005-09-01 | Continental Aktiengesellschaft | Pneumatic vehicle tire has bead areas each with circumferential reinforcing strip with circumferential reinforcing wire cords on the surface |
| JP2006137252A (en) * | 2004-11-10 | 2006-06-01 | Bridgestone Corp | High performance low-profile tire for passenger four-wheeled car and installation method of tire |
| FR2882691B1 (en) * | 2005-03-07 | 2009-07-03 | Michelin Soc Tech | PNEUMATIC BOURRELET STRUCTURE |
-
2006
- 2006-03-10 DE DE200610011158 patent/DE102006011158A1/en not_active Withdrawn
-
2007
- 2007-01-24 EP EP07702978.3A patent/EP1996412B1/en active Active
- 2007-01-24 CN CN201210154387.7A patent/CN102658762B/en active Active
- 2007-01-24 CN CN2007800084058A patent/CN101400525B/en active Active
- 2007-01-24 WO PCT/EP2007/000569 patent/WO2007104378A1/en active Application Filing
-
2008
- 2008-08-08 US US12/188,484 patent/US20080295946A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760476A (en) * | 2017-11-09 | 2019-05-17 | 东洋橡胶工业株式会社 | Heavy duty pneumatic vehicle tire |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1996412B1 (en) | 2016-01-13 |
| CN101400525B (en) | 2012-07-04 |
| DE102006011158A1 (en) | 2007-09-13 |
| US20080295946A1 (en) | 2008-12-04 |
| WO2007104378A1 (en) | 2007-09-20 |
| EP1996412A1 (en) | 2008-12-03 |
| CN102658762B (en) | 2015-10-14 |
| CN101400525A (en) | 2009-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101400525B (en) | Pneumatic vehicle tire with reinforced tread | |
| CN1073026C (en) | low aspect ratio truck tire | |
| JP4464700B2 (en) | Pneumatic tire and manufacturing method thereof | |
| JP4547379B2 (en) | Pneumatic tire | |
| CN101137519B (en) | Tyre bead structure | |
| US20120318427A1 (en) | Pneumatic radial tire | |
| RU2527590C2 (en) | Tire with crown area provided with stiffener | |
| JP5639415B2 (en) | Pneumatic tire | |
| CN112976946B (en) | Pneumatic tire | |
| RU2219073C2 (en) | Pneumatic tire bead with circumferential strengthening members | |
| CN101626908A (en) | Tyre bead structure | |
| CN100455452C (en) | Tyre for vehicle wheel and its manufacturing method | |
| CN106715155A (en) | Pneumatic vehicle tyre comprising a carcass | |
| US9073389B2 (en) | All steel fabric radial construction for agricultural tires | |
| EP2459397B1 (en) | Pneumatique pour vehicule poids lourd ayant des bourrelets renforces | |
| US20080006360A1 (en) | Pneumatic vehicle tire with bead reinforcer | |
| US6913053B2 (en) | Three ply layer turn-up pneumatic tire | |
| CN114302813B (en) | Bead core for agricultural tires | |
| US20110232819A1 (en) | Tire for Heavy Vehicles Comprising at Least Two Additional Layers in the Beads | |
| CN108638756B (en) | Heavy-duty radial tire with reverse-folded multi-layer winding structure | |
| KR100976580B1 (en) | Manufacturing method of truck bus radial tire and tire thereof | |
| US20210031563A1 (en) | Pneumatic vehicle tire for a vehicle | |
| US10583696B2 (en) | Tire with bead regions having multiple bead fillers | |
| EP3176005A1 (en) | A bidirectional monobelt construction for a pneumatic tire | |
| US20060070692A1 (en) | Tyre for vehicle wheels with reinforced bead structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |